Gemini Notebook (formerly NotebookLM)
Google · Research · Productivity
Google's source-grounded notebook: upload documents and it answers only from them, with citations back to your sources. Known for podcast-style Audio Overviews.
Best for: Source-grounded research over YOUR documents (plus audio overviews). Renamed from NotebookLM to Gemini Notebook in July 2026.
| Models | Gemini models |
|---|---|
| Free plan | Yes |
| Paid plans | Higher limits on paid tiers |
| API | No consumer API |
| Custom instructions | Notebook-level instructions on current versions; your profile can also live as a source |
| Memory | Per-notebook sources |
| File upload | Yes. That's the product |
| Web search | Source-grounded (web sources can be added) |
| Context window | Large source capacity per notebook |
| Apps | Web · mobile apps |
Facts last reviewed 2026-08-10, capabilities and plans change frequently; verify on the official site before relying on a detail.
Models, limits and pricing
| Current models | Gemini 3.5, default model since 2026-06-08 Renamed from NotebookLM to Gemini Notebook on 2026-07-16 Each notebook now gets a secure cloud computer for native code execution |
|---|---|
| Context window | Not published, limits are expressed as sources per notebook |
| Parameters | Not disclosed most closed frontier models do not publish parameter counts; we do not repeat rumored figures. |
| Modalities | Docs, PDFs, web, audio, video and YouTube in; text, Audio and Video Overviews out |
| Consumer pricing |
|
| API pricing | No public API, see Gemini API pricing for the underlying models |
Pricing and model line-ups verified 2026-08-11 from source 1 ↗ · source 2 ↗ · source 3 ↗. These change often. The vendor page is authoritative.
Notable
- Answers cite YOUR uploaded sources
- Audio Overviews